| Primary Identifier | MGI:7428597 | Allele Type | Endonuclease-mediated |
| Attribute String | Null/knockout | Gene | Rag1 |
| Inheritance Mode | Not Specified | Strain of Origin | 129S1/SvImJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The CRISPR/Cas9 base editor BE4Max was used to convert the glutamine codon at position 192 to a stop codon (Q192X, CAG to TAG), resulting in an early termination allele predicted to be a null. |